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LONG-TERM DEBT - Narrative (Details) - USD ($) |  | 3 Months Ended |
--- | --- | --- | ---
Mar. 16, 2020 | Mar. 29, 2020 | Dec. 29, 2019
Revolving Credit Facility [Line Items] |  |  |
Long-term debt |  | $ 293,500,000 | $ 37,100,000
Leverage ratio, threshold |  | 3.0 |
Fixed charge coverage ratio, threshold |  | 1.25 |
Leverage ratio |  | 2.7 |
Fixed charge coverage ratio |  | 40.8 |
Revolving Credit Facility |  |  |
Revolving Credit Facility [Line Items] |  |  |
Maximum borrowing capacity | $ 300,000,000.0 |  |
Maximum borrowing capacity subject to lender approval | $ 450,000,000.0 |  |
Debt instrument term | 5 years |  |
Long-term debt |  | $ 293,500,000 | 37,100,000
Remaining borrowing capacity |  | $ 300,000 |
Revolving Credit Facility | London Interbank Offered Rate (LIBOR) |  |  |
Revolving Credit Facility [Line Items] |  |  |
Basis spread on variable rate |  | 1.25% |
Additional debt instrument base rate |  | 1.00% |
Effective interest rate |  | 2.25% |
Revolving Credit Facility | Base rate |  |  |
Revolving Credit Facility [Line Items] |  |  |
Basis spread on variable rate |  | 0.25% |
Additional debt instrument base rate | 0.50% | 3.25% |
Effective interest rate |  | 3.50% |
Revolving Credit Facility | Minimum |  |  |
Revolving Credit Facility [Line Items] |  |  |
Unused capacity commitment fee percentage |  | 0.25% |
Revolving Credit Facility | Minimum | London Interbank Offered Rate (LIBOR) |  |  |
Revolving Credit Facility [Line Items] |  |  |
Basis spread on variable rate | 1.25% |  |
Revolving Credit Facility | Minimum | Base rate |  |  |
Revolving Credit Facility [Line Items] |  |  |
Basis spread on variable rate | 0.25% | 0.25% |
Revolving Credit Facility | Maximum |  |  |
Revolving Credit Facility [Line Items] |  |  |
Unused capacity commitment fee percentage |  | 0.375% |
Revolving Credit Facility | Maximum | London Interbank Offered Rate (LIBOR) |  |  |
Revolving Credit Facility [Line Items] |  |  |
Basis spread on variable rate | 2.50% |  |
Revolving Credit Facility | Maximum | Base rate |  |  |
Revolving Credit Facility [Line Items] |  |  |
Basis spread on variable rate | 1.50% | 1.50% |
Swingline loan |  |  |
Revolving Credit Facility [Line Items] |  |  |
Maximum borrowing capacity | $ 30,000,000.0 |  |
Long-term debt |  | $ 10,000,000.0 | $ 17,100,000
Letters of credit outstanding |  | $ 6,200,000 |
Letter of credit |  |  |
Revolving Credit Facility [Line Items] |  |  |
Maximum borrowing capacity | $ 125,000,000.0 |  |
Letter of credit | London Interbank Offered Rate (LIBOR) |  |  |
Revolving Credit Facility [Line Items] |  |  |
Additional letters of credit base rate |  | 0.50% |
Letter of credit | Minimum | London Interbank Offered Rate (LIBOR) |  |  |
Revolving Credit Facility [Line Items] |  |  |
Basis spread on variable rate |  | 1.00% |
Letter of credit | Maximum | London Interbank Offered Rate (LIBOR) |  |  |
Revolving Credit Facility [Line Items] |  |  |
Basis spread on variable rate |  | 2.25% |

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